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Business Segment Information - Summary of Net Sales for Company's Products and Services (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disaggregation of Revenue [Line Items]                      
Total net sales $ 819,474 $ 711,692 $ 740,576 $ 684,674 $ 858,510 $ 708,555 $ 714,319 $ 690,572 $ 2,956,416 $ 2,971,956 $ 2,785,874
Waters Instrument Systems [Member]                      
Disaggregation of Revenue [Line Items]                      
Total net sales                 1,108,702 1,210,456 1,089,248
Chemistry Consumables [Member]                      
Disaggregation of Revenue [Line Items]                      
Total net sales                 541,469 525,399 507,209
TA Instrument Systems [Member]                      
Disaggregation of Revenue [Line Items]                      
Total net sales                 252,879 252,314 225,613
Product [Member]                      
Disaggregation of Revenue [Line Items]                      
Total net sales                 1,903,050 1,988,169 1,822,070
Waters Service [Member]                      
Disaggregation of Revenue [Line Items]                      
Total net sales                 951,419 890,607 876,626
TA Service [Member]                      
Disaggregation of Revenue [Line Items]                      
Total net sales                 101,947 93,180 87,178
Service [Member]                      
Disaggregation of Revenue [Line Items]                      
Total net sales                 $ 1,053,366 $ 983,787 $ 963,804